Lucas,John,William <br/><br/>
The aquatic Stage of the British Dragonflies  

 - London  The Ray Society   1930 
 - xi,132p. : ill ; 23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>5  / H16